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Side-by-side financial comparison of Astera Labs, Inc. (ALAB) and TOWER SEMICONDUCTOR LTD (TSEM). Click either name above to swap in a different company.
TOWER SEMICONDUCTOR LTD is the larger business by last-quarter revenue ($351.2M vs $270.6M, roughly 1.3× Astera Labs, Inc.). Astera Labs, Inc. runs the higher net margin — 16.6% vs 15.2%, a 1.4% gap on every dollar of revenue. On growth, Astera Labs, Inc. posted the faster year-over-year revenue change (91.8% vs -1.7%).
Astera Labs, Inc. is an American fabless semiconductor manufacturer and artificial intelligence company. The company specializes in designing high-speed connectivity solutions for data centers and AI infrastructure. The company has been listed on the Nasdaq since March 2024.
Tower Semiconductor Ltd. is an Israeli company that manufactures integrated circuits using specialty process technologies, including SiGe, BiCMOS, Silicon Photonics, SOI, mixed-signal and RFCMOS, CMOS image sensors, non-imaging sensors, power management (BCD), and non-volatile memory (NVM) as well as MEMS capabilities. Tower Semiconductor also owns 51% of TPSCo, an enterprise with Nuvoton Technology Corporation Japan (NTCJ).
ALAB vs TSEM — Head-to-Head
Income Statement — Q4 FY2025 vs Q2 FY2024
| Metric | | |
|---|---|---|
| Revenue | $270.6M | $351.2M |
| Net Profit | $45.0M | $53.4M |
| Gross Margin | 75.6% | 24.8% |
| Operating Margin | 24.7% | 15.7% |
| Net Margin | 16.6% | 15.2% |
| Revenue YoY | 91.8% | -1.7% |
| Net Profit YoY | 82.0% | 4.4% |
| EPS (diluted) | $0.25 | $0.48 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $270.6M | — | ||
| Q3 25 | $230.6M | — | ||
| Q2 25 | $191.9M | — | ||
| Q1 25 | $159.4M | — | ||
| Q4 24 | $141.1M | — | ||
| Q3 24 | $113.1M | — | ||
| Q2 24 | $76.8M | $351.2M | ||
| Q1 24 | $65.3M | — |
| Q4 25 | $45.0M | — | ||
| Q3 25 | $91.1M | — | ||
| Q2 25 | $51.2M | — | ||
| Q1 25 | $31.8M | — | ||
| Q4 24 | $24.7M | — | ||
| Q3 24 | $-7.6M | — | ||
| Q2 24 | $-7.5M | $53.4M | ||
| Q1 24 | $-93.0M | — |
| Q4 25 | 75.6% | — | ||
| Q3 25 | 76.2% | — | ||
| Q2 25 | 75.8% | — | ||
| Q1 25 | 74.9% | — | ||
| Q4 24 | 74.0% | — | ||
| Q3 24 | 77.7% | — | ||
| Q2 24 | 77.9% | 24.8% | ||
| Q1 24 | 77.4% | — |
| Q4 25 | 24.7% | — | ||
| Q3 25 | 24.0% | — | ||
| Q2 25 | 20.7% | — | ||
| Q1 25 | 7.1% | — | ||
| Q4 24 | 0.1% | — | ||
| Q3 24 | -7.9% | — | ||
| Q2 24 | -31.7% | 15.7% | ||
| Q1 24 | -127.1% | — |
| Q4 25 | 16.6% | — | ||
| Q3 25 | 39.5% | — | ||
| Q2 25 | 26.7% | — | ||
| Q1 25 | 20.0% | — | ||
| Q4 24 | 17.5% | — | ||
| Q3 24 | -6.7% | — | ||
| Q2 24 | -9.8% | 15.2% | ||
| Q1 24 | -142.5% | — |
| Q4 25 | $0.25 | — | ||
| Q3 25 | $0.50 | — | ||
| Q2 25 | $0.29 | — | ||
| Q1 25 | $0.18 | — | ||
| Q4 24 | $1.23 | — | ||
| Q3 24 | $-0.05 | — | ||
| Q2 24 | $-0.05 | $0.48 | ||
| Q1 24 | $-1.77 | — |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $167.6M | $265.3M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $1.4B | $2.5B |
| Total Assets | $1.5B | $3.0B |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $167.6M | — | ||
| Q3 25 | $140.4M | — | ||
| Q2 25 | $162.3M | — | ||
| Q1 25 | $86.4M | — | ||
| Q4 24 | $79.6M | — | ||
| Q3 24 | $126.1M | — | ||
| Q2 24 | $421.1M | $265.3M | ||
| Q1 24 | $696.1M | — |
| Q4 25 | $1.4B | — | ||
| Q3 25 | $1.3B | — | ||
| Q2 25 | $1.1B | — | ||
| Q1 25 | $1.0B | — | ||
| Q4 24 | $964.8M | — | ||
| Q3 24 | $889.6M | — | ||
| Q2 24 | $845.3M | $2.5B | ||
| Q1 24 | $808.8M | — |
| Q4 25 | $1.5B | — | ||
| Q3 25 | $1.4B | — | ||
| Q2 25 | $1.3B | — | ||
| Q1 25 | $1.1B | — | ||
| Q4 24 | $1.1B | — | ||
| Q3 24 | $983.1M | — | ||
| Q2 24 | $915.5M | $3.0B | ||
| Q1 24 | $864.9M | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $95.3M | — |
| Free Cash FlowOCF − Capex | $76.6M | — |
| FCF MarginFCF / Revenue | 28.3% | — |
| Capex IntensityCapex / Revenue | 6.9% | — |
| Cash ConversionOCF / Net Profit | 2.12× | — |
| TTM Free Cash FlowTrailing 4 quarters | $281.8M | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $95.3M | — | ||
| Q3 25 | $78.2M | — | ||
| Q2 25 | $135.4M | — | ||
| Q1 25 | $10.5M | — | ||
| Q4 24 | $39.7M | — | ||
| Q3 24 | $63.5M | — | ||
| Q2 24 | $29.8M | — | ||
| Q1 24 | $3.7M | — |
| Q4 25 | $76.6M | — | ||
| Q3 25 | $65.9M | — | ||
| Q2 25 | $133.3M | — | ||
| Q1 25 | $6.0M | — | ||
| Q4 24 | $24.3M | — | ||
| Q3 24 | $46.8M | — | ||
| Q2 24 | $28.5M | — | ||
| Q1 24 | $228.0K | — |
| Q4 25 | 28.3% | — | ||
| Q3 25 | 28.6% | — | ||
| Q2 25 | 69.5% | — | ||
| Q1 25 | 3.7% | — | ||
| Q4 24 | 17.2% | — | ||
| Q3 24 | 41.4% | — | ||
| Q2 24 | 37.1% | — | ||
| Q1 24 | 0.3% | — |
| Q4 25 | 6.9% | — | ||
| Q3 25 | 5.3% | — | ||
| Q2 25 | 1.1% | — | ||
| Q1 25 | 2.8% | — | ||
| Q4 24 | 10.9% | — | ||
| Q3 24 | 14.8% | — | ||
| Q2 24 | 1.7% | — | ||
| Q1 24 | 5.2% | — |
| Q4 25 | 2.12× | — | ||
| Q3 25 | 0.86× | — | ||
| Q2 25 | 2.64× | — | ||
| Q1 25 | 0.33× | — | ||
| Q4 24 | 1.61× | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
